Pneumatic signal



(No Model.) 3 Sheets-Sheet 1.

J. T. PENNYGOOK. PNBUMATIC SIGNAL.

Ia-463,582. Patented Nov. 17, 1891,

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SIGNAL.

(No Model.)

No. 463,582. Patented Nov. 17,1891.

(No Modem' 3 sheets-sheet 3. J. T. PENNYCOOK. PNBUMATIG SIGNAL.

No. 463,582. kPatented Nov. 17, 189.1.

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limitan Sterns JOHNlT. PENNYOOOK, OF NEN YORK, N. Y., ASSIGNOR TO THE STATE MANUFACTURING COMPABTY,- OF NEV JERSEY.

PNEUMATIC SIGNAL.

SPECIFICATION forming part of Letters Patent N o. 463,582, dated November 1'7, 1891.

Application filed January 3l, 1891. Serial No. 379,747- (No model.)

To'ctZZ whom it may concern:

Beit known that I, J oHN T. PENNYoooK, a citizen of the United States, residing at New York, in the county of New York and State of New York, have invented certain new and useful Improvements in Pneumatic Signals; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the saine, reference being had to the accompanying drawings, and to the figures of reference marked thereon, which form a part of this specification.

My inventionvrelates to pneumatic signaling devices; and it consists in the construction and novel combination of parts, as hereinafter fully described and claimed.

In the drawings, Figure 1 is a front elevation of the operative mechanism, the inclosing case being shown in section. Fig. 2 is a side elevation with the right-hand side of the case removed. Fig. 3 is a transverse sectional view of a modication of the pneumatic signaling device, in which the indicator mechanism is dispensed with; and Fig. 4 is a vertical sectional view of the same.

Referring by numeral to the accompanying drawings, 1 indicates the inclosing case in which the sign aling and indicating mechanism is located, said incasement being provided with a glass-covered face, through which the internal mechanism may be viewed.

2, 3, 4, and 5 are plates resting upon the operating-bellows, which in this instance are four in number, although a-ny desired number may be employed, those shown, however, being sufficient for the purpose of illustrating the object and operation of the device. The

vbellows are provided with pneumatic tubes 6 7 3 9, which lead to the point from which the signal is to be givenmsuch as to the front door, the rear door, and to other doors or points from which it may be desired to sound or give the signal.

10 is a transverselydisposed rock shaft, which is supported in bearings 1l 1l near the lower part of the inclosing case, and this rockshaft 10 is provided with downwardly-extending arms 12 13 14 l5, which normally rest upon' their respective bellows 16, 17, 18, and 19, with the lower sides of which the pneumatic tubes 6 7 8 9 connect, said tubes leading to the points from which the signals are to be transmitted to sound the gong 20.

The display or signal plates 21 form partsV of pivoted angular levers 22, which are Aprovided with notches 23 at theirpowerends and engage the weight ends of levers 24 and 25, having diverging arms 26 and 27, which rest upon adjacent pairs of bellows.

The inner face of the rear wail of the ineasement is provided with bearing-lugs 28 and 29 for the support of the setting-rod 30, which is encircled by a spiral spring 3l between said bearings, and is provided at -its upper end with a T-shaped cross-head 32, the lower ends of the arms of which are provided with friction-rollers 33, which engage the notched arms of the display-plates. Near the lower end of the setting-rod 30 is connected a pitman 45, the upper end of which is attached to a lever 46, hinged to an arm 47, pivoted at a right angle to its hinge to a screw-stud 4S, secured to the frame, so that when the setting-rod 30 is operated to set the display-plate the pitman draws the lever 46 down, the free end 49 of which impinges on the end of the arm 36, which is in its path, and restores the spring to its normal position, and as the setting-rod is released its spiral spring 3l carries it'upward, and of course with it the pitman 45 and lever 46, the hinged joint 47 and pivot 4S of which allow the lever 46 to ride over or in -front of the arm 36 (which is in its path, and

which has taken `the place of the one which was actuated) without operating it.

The lower end of a lever 34 engages the arm 50 on the rock-shaft 10 at one end and is fulcrumed at its upper angle within the incasement and is provided with an inwardly-extending detent-arm 44, provided with a nearly arc-shape leg 35, which is designed to permit the curved radially-disposed arms-36, mounted on the same shaft with the toothed wheel 37, to pass under it when moving in one direction andto stop said wheel intermittingly when moving intheotherdirection. Asegmentallytoothed wheel 38 adjoins the toothed wheel 37, and a stud 39 at or near the front end of the lever engages the segmentally-disposed set of teeth on the wheel 38. This last wheel 38 is essentially an escapement-wheel, and

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the pallet 40 on the rod eil of the bell-hammer 42 engages these teeth at the proper time and causes the bell-hammer to be oscillated and the bell to be sounded. To set the device in the position to permit its parts to operate, it is only necessary to draw down upon the setting-rod, and when a signal is given from any point the proper signal will be both sounded on the gong and indicated on the displayplate.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. In a pneumatic signaling apparatus, the combination, with the signaling mechanism, substantially as described, of a draw-rod, which both Winds and sets the mechanism when said rod is operated, substantially as specified.

2. In a pneumatic signaling apparatus, the

combination, with the inclosing case and the gong attached thereto, of a rock-shaft provided with a set of projecting arms, a set of bellows provided with pneumatic tubes and adapted to engage the projecting arms of the rock-shaft, a set of pivoted display-plates en gaging with sets of diverging levers fulcru med in bearings secured to the incaselnent and engaging the bellows, and a spring-actuated setting-rod provided with an angular cross-head engaging the notched end of the arms of the display-plates, substantially as specified.

In testimony whereof I aiiix my signature in presence of two witnesses.

JOHN T. IENNYCOOK.

Nitnessesz HENRY J. ENNIS, J. MCNAMEE. 

